深冷处理时间对M2高速钢红硬性的影响
段元满, 朱丽慧, 吴晓春, 顾炳福

Effect of Deep Cryogenic Treatment Time on Red Hardness of M2 High Speed Steel
DUAN Yuanman, ZHU Lihui, WU Xiaochun, GU Bingfu
表3 不同深冷时间下M2高速钢中的残余奥氏体含量
Table 3 Retained austenite amount in M2 high speed steel under different deep cryogenic time
Cryogenic time/h014812
Austenite amount/%21.313.28.97.55.6